Coniugazione del verbo inglese
MUST PUFF

Verbo regolare: puff - puffed - puffed

Affermazione

Forma semplice	Forma con V-ing
I must puff you must puff she must puff we must puff you must puff they must puff	I must be puffing you must be puffing she must be puffing we must be puffing you must be puffing they must be puffing
Perfetto	Perfetto con V-ing
I must have puffed you must have puffed she must have puffed we must have puffed you must have puffed they must have puffed	I must have been puffing you must have been puffing she must have been puffing we must have been puffing you must have been puffing they must have been puffing

Negazione

Forma semplice	Forma con V-ing
I must not puff you must not puff she must not puff we must not puff you must not puff they must not puff	I must not be puffing you must not be puffing she must not be puffing we must not be puffing you must not be puffing they must not be puffing
Perfetto	Perfetto con V-ing
I must not have puffed you must not have puffed she must not have puffed we must not have puffed you must not have puffed they must not have puffed	I must not have been puffing you must not have been puffing she must not have been puffing we must not have been puffing you must not have been puffing they must not have been puffing

Forma interrogativa

Forma semplice	Forma con V-ing
must I puff? must you puff? must she puff? must we puff? must you puff? must they puff?	must I be puffing? must you be puffing? must she be puffing? must we be puffing? must you be puffing? must they be puffing?
Perfetto	Perfetto con V-ing
must I have puffed? must you have puffed? must she have puffed? must we have puffed? must you have puffed? must they have puffed?	must I have been puffing? must you have been puffing? must she have been puffing? must we have been puffing? must you have been puffing? must they have been puffing?

Forma interro-negativa

Forma semplice	Forma con V-ing
must I not puff? must you not puff? must she not puff? must we not puff? must you not puff? must they not puff?	must I not be puffing? must you not be puffing? must she not be puffing? must we not be puffing? must you not be puffing? must they not be puffing?
Perfetto	Perfetto con V-ing
must I not have puffed? must you not have puffed? must she not have puffed? must we not have puffed? must you not have puffed? must they not have puffed?	must I not have been puffing? must you not have been puffing? must she not have been puffing? must we not have been puffing? must you not have been puffing? must they not have been puffing?